Comparison

Calculator 2tax vs PDCA LOG

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calculator 2tax

This calculator handles two consumption taxes and displays input formulas. It stores calculations and their formulas in history, operating like a standard calculator. It's designed for ease of use and clear calculation processes.

Highlights
  • Supports two consumption taxes
  • Displays input formulas
  • Stores calculations with formulas in history
  • Operates like a general calculator
  • Simple and easy-to-use interface
Read full description

A simple and easy-to-use calculator. It supports two of the consumption tax. You can see the formula for the input process. The calculation results can be stored in the history together with the calculation formula. This calculator calculates in input order like a general calculator. *This app. General Calculator (calculation in input order) 2 + 3 × 5 = 25  [2 + 3 × 5 = 25] *Function Calculator 2 + 3 × 5 = 17  [2 + (3 × 5) = 17]

About

PDCA LOG

Features
Read full description

PDCA LOGは、日々の実践をPDCAサイクルで 記録・分析・改善するアプリです。 【主な機能】 ・実践ログの記録と管理 ・AIコーチングによる振り返り分析 ・お相手・関係者情報の管理 ・Discordへの投稿フォーマット自動生成 ・クラウド同期(機種変後もデータ復元) ・バックアップ・復元機能 【AIコーチング】 神経科学・心理学・行動経済学の 観点からあなたの実践を分析し、 具体的な改善提案を提供します。 【データ管理】 アカウント登録でデータをクラウドに保存。 機種変更後もログインするだけで 全データを復元できます。 ※AIによる回答は情報提供を目的としたものであり、 専門家によるアドバイスの代替ではありません。 【利用規約】 https://ichi-labs.com/terms/ 【プライバシーポリシー】 https://ichi-labs.com/privacy-policy/ 本アプリはAI機能にAnthropic社のClaude APIを使用しています。 AI機能利用時にログの内容がAnthropic社のサーバーに送信されます。

Screenshots

Calculator 2tax4 screens
PDCA LOG4 screens

Verdict

The call

The clearest difference is ads: PDCA LOG at none against Calculator 2tax's shown. PDCA LOG also leads on update cadence (every 6 days vs every 10 months) and iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calculator 2tax sells 1 one-off in-app purchase and PDCA LOG sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Calculator 2tax ships an update every 10 months, PDCA LOG every 6 days. The most recent releases landed on October 23, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator 2tax versus PDCA LOG: the parameters behind the verdict, then further details
ParameterCalculator 2taxPDCA LOG
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews61.5% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 monthsEvery 6 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613.0 — better
Further details — not scored
Size7 MB36 MB
Age rating4+17+
Developersky-nexus Inc.ICHI LABS

In-app purchases

1 purchases

Calculator 2tax

One-time1
  • Disable Ads$1.99
5 purchases

PDCA LOG

Subscriptions2
  • Standard$2.991 Month
  • Premium$5.991 Month
One-time3
  • 20 Tokens$0.99
  • 50 Tokens$2.99
  • 120 Tokens$5.99

Questions

Is Calculator 2tax free?
Calculator 2tax is free to download, with in-app purchases available.
Is PDCA LOG free?
PDCA LOG is free to download, with in-app purchases available.
Do Calculator 2tax or PDCA LOG have ads?
Calculator 2tax shows ads; PDCA LOG does not.
Which is updated more often, Calculator 2tax or PDCA LOG?
Calculator 2tax ships an update every 10 months, and PDCA LOG every 6 days. Most recently, Calculator 2tax was updated on October 23, 2026 and PDCA LOG on October 8, 2026.

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